Ability to specify number of lines initially shown when opening log file

ChangeLog

@@ -1,7 +1,10 @@
 2008-04-29  Tom ten Thij  <[email protected]>
 
 	* rails.el: [#12451] Optional disablement ruby-electric-mode <pezra>, upping
-	max-lisp-eval-depth to allow navigation to work with larger number of files.
+	max-lisp-eval-depth to allow navigation to work with larger number of files,
+	defined rails-number-of-lines-shown-when-opening-log-file
+	* rails-log.el: number of lines initially shown when opening log file as
+	specified by rails-number-of-lines-shown-when-opening-log-file
 
 2008-03-03  Dmitry Galinsky  <[email protected]>
 

rails-log.el

@@ -48,6 +48,7 @@
     (start-process "tail"
                    buffer
                    "tail"
+		   "-n" (message "%d" rails-number-of-lines-shown-when-opening-log-file)
                    "-f" (rails-core:file (concat "log/" log-file)))))
 
 (defun rails-log:open (log-file)

rails.el

@@ -150,6 +150,11 @@ Emacs w3m browser."
   :group 'rails
   :type 'boolean)
 
+(defcustom rails-number-of-lines-shown-when-opening-log-file 130
+  "Specifies how many lines to show initially when opening a log file"
+  :group 'rails
+  :type 'integer)
+
 (defvar rails-version "0.5.99.6")
 (defvar rails-templates-list '("html.erb" "erb" "js.rjs" "builder" "rhtml" "rxml" "rjs" "haml" "liquid" "mab"))
 (defvar rails-use-another-define-key nil)